Category: Technical - News and Events

Build your own VoIP System – Part 1: The Basics

This blog post is the first part of a series of posts, which describe how VoIP works and how the Sipwise sip:provider Platform enables you to start various VoIP business models. Part 1, which is provided in this post, gives you an introduction in how VoIP works. Part 2 shows how you can set up…

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Cloud Telephony – A reality check

Musings of a telco vendor about the cloud thing Over the last days, I was working on deploying and testing our open-source VoIP soft-switch SPCE v2.2-rc1 on an Amazon EC2 instance in order to provide a ready-to-run AMI for our community. Coincidently, I came across this tweet from @martingeddes: When you hear a vendor selling…

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SIP beyond VoIP – location based services using sip:providerCE

SIP is famous for being the protocol to be used for VoIP signaling nowadays. With the (not so simple) SIMPLE extension, it also offers PUB/SUB and messaging capabilities. The plan was obviously to lay grounds for a full-blown communication framework for telephony, instant messaging and presence, as we know it from XMPP. Due to various…

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Running sip:providerCE on Virtualbox in Windows

The demand for testing the sip:providerCE on Virtualbox in Windows is actually bigger than expected, and there came up a couple of issues we’re currently working on: The default version when downloading Virtualbox is 3.2.12, which does not support the OVA format (which in fact is just a TAR of the OVF file together with…

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